JSFiddle - React, Tailwind, and code Playground
by bizamajig
HTML
<table id="table1">
<tr class="1"><td>1</td><td>2</td><td>3</td></tr>
<tr class="2"><td>4</td><td>5</td><td>6</td></tr>
</table>
<br><br>
<table id="table2">
<tr class="3"><td>1</td><td>2</td><td>3</td></tr>
<tr class="4"><td>4</td><td>5</td><td>6</td></tr>
</table>
CSS
td { border: 5px solid green; padding: 20px }
JavaScript
$(function(){
$( "#table1,#table2" ).sortable({ items: 'tr', connectWith : '#table2' });
$( "#table2" ).on( "sortreceive", function(event, ui) {
var $item = ui.item;
/*
if ( $( ui.item ).hasClass( '1' ) ) {
console.log( $( ui.item ).attr( 'class' ) );
}
*/
if ( $item.hasClass( '1' ) ) {
console.log( $item.attr( 'class' ) );
}
});
});